A) Respiration B) Reproduction C) Pollination D) Digestion Human bein
A) 260 B) 206 C) 2600 D) 26
A) Pollination B) Digestion C) Respiration D) Reproduction
A) Small intestine B) Pharynx C) Caecum D) Anus
A) Mouth B) Nose C) Skin D) Eyes
A) Spit B) Saliva C) Ptyalin D) Maltose
A) Saliva B) Pancreas C) Ileum D) Ptyalin
A) Transport medium B) Respiration medium C) Respiratory organ D) Aerobic respiration
A) Fins B) Gills C) Body surface D) Lungs
A) Skin B) Ear C) Nose D) Eyes
A) Chemically B) Substance C) Physically D) Ordinarily
A) Mass number B) Atomic number C) Isotopes D) Equation
A) Breaking B) Sieving C) Aluming D) Boiling
A) Sieving B) Filtration C) Evaporation D) Distillation
A) Fractional distillation B) Boiling C) Sieving D) Precipitation
A) Electrolytes B) Anode C) Cathode D) Electrolysis
A) Electrodes B) Coke C) Coal D) Electrolysis
A) Strong,weak B) Big,small C) Fragile,hard D) Old,new
A) Brown coal B) Charcoal C) Hard coal D) Soft coal
A) False B) Impossible C) True D) No idea
A) Mass of the gas B) Number of particles in the gas C) Temperature of the gas D) Volume of the gas
A) Density B) Force C) Pressure D) Energy
A) Temperature by its pressure B) Mass by its volume C) Pressure by its temperature D) Volume by its mass
A) They attract each other B) The effect depends on the size of the magnets C) They repel each other D) They become neutral
A) Magnetic energy B) Electrical energy C) Light energy D) Mechanical vibrations
A) Speed B) Wavelength C) Amplitude D) Frequency
A) Simple machine B) Workdone C) Force D) Friction
A) Screw B) Pulley C) Lever D) Wedge
A) Negatively charged B) Positively charged C) Charged neutrally D) Positively and negatively charged
A) Positively and negatively charged B) Negatively charged C) Charged neutrally D) Positively charged |